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	    <title>公交线路查询</title>
	    <link rel="stylesheet" href="http://cache.amap.com/lbs/static/main1119.css"/>
	    <script type="text/javascript"
	            src="http://webapi.amap.com/maps?v=1.3&key=e06178925b8ec4746ca36a53593d07dd&plugin=AMap.LineSearch"></script>
	    <script type="text/javascript" src="http://cache.amap.com/lbs/static/addToolbar.js"></script>
	</head>
	<body>
<div id="container"></div>
<script language="javascript">
    /*
     * 该示例主要流程分为三个步骤
     * 1. 首先调用公交路线查询服务(lineSearch)
     * 2. 根据返回结果解析，输出解析结果(lineSearch_Callback)
     * 3. 在地图上绘制公交线路()
     */
    var map = new AMap.Map("container", {
        resizeEnable: true,
        center: [116.397428, 39.90923],//地图中心点
        zoom: 13 //地图显示的缩放级别
    });
    /*公交线路查询*/
    function lineSearch() {
        //实例化公交线路查询类，只取回一条路线
        var linesearch = new AMap.LineSearch({
            pageIndex: 1,
            city: '北京',
            pageSize: 1,
            extensions: 'all'
        });
        //搜索“536”相关公交线路
        linesearch.search('536', function(status, result) {
            if (status === 'complete' && result.info === 'OK') {
                lineSearch_Callback(result);
            } else {
                alert(result);
            }
        });
    }
    /*公交路线查询服务返回数据解析概况*/
    function lineSearch_Callback(data) {
        var lineArr = data.lineInfo;
        var lineNum = data.lineInfo.length;
        if (lineNum == 0) {
        } else {
            for (var i = 0; i < lineNum; i++) {
                var pathArr = lineArr[i].path;
                var stops = lineArr[i].via_stops;
                var startPot = stops[0].location;
                var endPot = stops[stops.length - 1].location;

                if (i == 0) drawbusLine(startPot, endPot, pathArr);
            }
        }
    }
    /*绘制路线*/
    function drawbusLine(startPot, endPot, BusArr) {
        //绘制起点，终点
        new AMap.Marker({
            map: map,
            position: [startPot.lng, startPot.lat], //基点位置
            icon: "http://webapi.amap.com/theme/v1.3/markers/n/start.png",
            zIndex: 10
        });
        new AMap.Marker({
            map: map,
            position: [endPot.lng, endPot.lat], //基点位置
            icon: "http://webapi.amap.com/theme/v1.3/markers/n/end.png",
            zIndex: 10
        });
        //绘制乘车的路线
        busPolyline = new AMap.Polyline({
            map: map,
            path: BusArr,
            strokeColor: "#09f",//线颜色
            strokeOpacity: 0.8,//线透明度
            strokeWeight: 6//线宽
        });
        map.setFitView();
    }
    lineSearch();
</script>
	</body>
</html>
